The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 23, 2018
Filed:
Jun. 01, 2016
Taiwan Semiconductor Manufacturing Co., Ltd., Hsin-Chu, TW;
Shih-Wei Hung, Kaohsiung, TW;
Chia-Chiung Lo, Taipei, TW;
Chien-Feng Lin, Zhudong Township, TW;
Tsung-Hsun Yu, Hsin Chu, TW;
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD., Hsin-Chu, TW;
Abstract
An apparatus for a semiconductor process includes an exhaust pipe coupled to a reaction chamber and a pump; a pressure control valve that is coupled to the exhaust pipe and configured to control a pressure value in the reaction chamber; a first pipe that is coupled to the exhaust pipe and etching gas source such that the first pipe is configured to provide an etching gas into the exhaust pipe; a second pipe that is coupled to the exhaust pipe and a radical generator such that the second pipe is configured to provide a radical into the exhaust pipe; and a third pipe that is coupled to the exhaust pipe and a diluted gas source such that the third pipe is configured to provide diluted gas into the exhaust pipe.